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     3  +8 2014 may 27qts open baffleAlternate drivers 3 - Linkwitz LabThe low Qts < 0.5 leads to real axis poles at 86 Hz and 4 Hz in the second order ... For an open baffle woofer the excursion falls off at (1/f)3 with increasing ...
     3  +1 2014 apr 10open baffle speakerPHOENIX - Open Baffle Loudspeaker - Linkwitz LabDetailed design information for DIY construction of an open - baffle , dipole loudspeaker . The speaker gives exceptional fidelity of sound reproduction in normal ...
     4  -1 2014 may 07leica lumix cameraLumix & Leica - Linkwitz LabThus I wrote an email to Leica USA with the question: Before purchasing the Leica D-LUX 3 camera I need to know if the RAW files are truly raw data or if some ...
     5  ~ 2014 apr 23panasonic lumix leicaFrom its physical appearance and published specifications it appears that the Panasonic Lumix DMC-LX2 is very similar to the Leica D-LUX 3 ...
     6  ~ 2014 jun 15low resonant frequency earphoneReference earphones - Linkwitz LabThe seal of the cavity affects the bass response and the resonances . They give ... They have a targeted in-situ low frequency response, which is ...
     7  ~ 2014 apr 04omni directional speakersPLUTO-2.1 omni - directional loudspeaker - Linkwitz LabPLUTO, the small 2-way active loudspeaker system that was introduced in 2005 ... The Aura driver is instrumental to the omni - directional PLUTO concept since ...
     8  +38 2014 may 21qts thd earphoneThis would allow me to obtain the same output with two such drivers in the ... The low Qts < 0.5 leads to real axis poles at 86 Hz and 4 Hz in the second order ...
     8  +1 2014 may 16band stop filter drive v1Active Filters - Linkwitz LabMultiple sections may delay the tweeter output and compensate for the driver being ... Notch filters are used to introduce dips in the frequency response in order to cancel .... R3 when driven from an operational amplifier with output voltage V1 .
     8  -3 2014 may 07lumix leica camera
     8  +3 2014 may 05dipole woofer simulation softwareDesign of Loudspeakers - Linkwitz LabActually, the bass reminded me of what I hear from dipole woofers and the ..... Now the large signal behavior of the complete loudspeaker can be simulated .
     8  ~ 2014 may 03linear design labs speakersRarely do non- linear distortion considerations enter into the design of speakers . Otherwise, consumer stores and recording studios would not abound with 2-way  ...
     10  +2 2014 may 08speaker design basicA few truly omni-directional speaker designs on the market come close, but require .... Adding to the comments above, I want to describe the basic design and ...
     10  +2 2014 apr 16concert loud speaker designLinkwitz Lab - Loudspeaker DesignDipole loudspeaker design for true to the original sound reproduction with minimal room interaction. ... of a live concert in your home with a pair of LX521 ...
     10  ~ 2014 apr 08crossover speaker designCrossovers - Linkwitz LabMy latest design , the ORION, employs two 24 dB/oct filters for highest accuracy of ... Crossover filters for a speaker usually incorporate frequency response ...
     11  -7 2014 jul 03build your own subwooferTHOR - subwoofer - Linkwitz LabBuild your own subwoofer . Often it is desirable to add very low frequency bass to the sound output of an existing loudspeaker system. Home Theater setups ...
     11  -9 2014 mar 28my speaker plansA few truly omni-directional speaker designs on the market come close, but require ... My conclusion is that uniform line source speakers are not what I would  ...
     12  +89 2014 may 19stereo equipment testerAccurate Stereo Performance - Linkwitz LabThe acoustic performance of a stereo sound system can vary significantly depending upon the loudspeakers used, upon ... Testing a stereo system for accuracy.
     12  -6 2014 apr 01room acoustics designerRoom Acoustics - Linkwitz LabFor my open baffle speaker designs a room becomes too dead when its RT60 falls below 500 ms. We can think of sound as propagating like a light ray. Thus, we ...
     14  +3 2014 jun 06diy subwooferDesign of a sealed box subwoofer with electronic equalization. ... This is meant to be a DIY project for the music loving hobbyist. Should you consider using part ...
     14  ~ 2014 mar 28stereo central channelSurround stereo system - Linkwitz Lab1 - Ambience recovery from a 2- channel CD 2 - Refinement of ambience recovery 3 - SACD and DVD-A use of the center channel 4 - A few SACD and their ...
     15  +1 2014 may 24sls fz1spreadsheet - Linkwitz Lab30, C1, C3, fz1 , 32, = fp1 ?? fz1 , 29, = fp1 ?? 31, Adc [dB], 21.6, Adc [dB], 21.6. 32 , For realizability with the given. 33, circuit k must be positive. 2b) Multiply ...
     16  -1 2014 apr 22speaker enclosure designThis year the outstanding leader in the conventional box speaker category was the $40,000 TAD Model-1. A superbly executed design under ...
     17  -1 2014 may 14room mode calculatorRectangular room modes - Linkwitz Lab29. 30, Re-sort table below by ascending frequency. 31, after room dimensions have been changed. 32, Modes in rectangular room , Sorted by frequency, Mode  ...
     17  +22 2014 may 07orion subwoofer boxPluto + subwoofer - Linkwitz LabThe subwoofer would be down firing to reduce overall box height and to provide a top ... Something similar was done with the addition of THOR to ORION .
     17  -3 2014 apr 29tweeter natural area rugsLX521 Description - Linkwitz LabRichard Taylor has analyzed the required room dimensions and speaker setups to
     18  -5 2014 jun 01naxos mcgillMcGill University - Linkwitz LabThe Virtual Haydn: Complete Works for Solo Keyboard ( Four Blu-Ray discs from NAXOS , www.thevirtualhaydn.com ). Haydn's Sonatas and ...
     18  ~ 2014 may 25force factor blSubwoofer estimates - Linkwitz LabA deflection of 12.5 mm requires a force F = Xmax / Cms' = 104.2 Newton or 23.4 pound. The motor has a force factor Bl = 17.6 N/A. Thus it takes Ip = F / (Bl) ...
     19  +38 2014 may 18sensible sound solutionsLinkwitz Lab “Orion” Loudspeakersolutions . The Orion: Let's take a look at the physical realization of the Orion loudspeaker. (First, take a
     19  +1 2014 apr 29speaker cabinet design
     19  -7 2014 apr 10linear design speakersSome Attributes of Linear -Phase Loudspeakers ... - Linkwitz Lablinear -phase loudspeakers , I was surprised by how indifferent the ..... designed to determine whether the ability to localize sound in a room depends upon the ...
     20  +1 2014 may 05speaker baffe home audioThe LX521 Reference Loudspeaker is an open- baffle , constant directivity ... of any type of music in the home and also for final judgment of work in the recording studio. ... I launched this website in 1999 after I had separated from Audio Artistry.
     20  -14 2014 apr 27notch filter circuit4 - Delay correction 5 - Shelving lowpass & passive circuit 6 - Shelving highpass & passive circuit 7 - Notch filter 8 - 6 dB/oct dipole equalization
     21  -4 2014 may 18jung aktiv board13 - Printed circuit boards ..... On the circuit board are two of the topologies below . ... [7] Walter G. Jung , editor, Op Amp Applications, Analog Devices, 2002.
     21  -5 2014 may 15line level crossoverThe best electrical crossover filter is one that maintains the acoustic polar ... I have a strong preference for line level active dividing networks ahead of the power ...
     21  +2 2014 may 04intro page htmPluto introduction - Linkwitz LabOn the following pages I provide sufficient information so that someone with experience in building speakers and analyzing electronic circuitry can duplicate ...
     21  -6 2014 mar 27low shelf filterThis type of circuit is useful to bring up the low frequency response in order to compensate for the high ... A) The shelving lowpass filter cannot correct for a peak.
     21  +12 2014 mar 23pvc pipe drivers speakersPLUTO-2.1 omni-directional loudspeaker - Linkwitz LabMost significantly the woofer/midrange driver was replaced by a special ... 4 inch and 1.5 inch or equivalent metric PVC or ABS plumbing pipes that must be cut  ...
     22  -9 2014 apr 20speaker box design
     22  -1 2014 apr 08room acoustics calculatorReverberation time as most important parameter for a room's acoustic ... They merely change frequencies, shift their distribution and make their calculation a lot  ...
     24  -5 2014 may 30speaker diyORION challenge to DIY - Linkwitz LabMy experience with the Beethoven series, the Vivaldi, and PHOENIX, has led to a new design, which captures the essential sonic features of those speakers , ...
     25  -3 2014 may 02room acoustic calculatorThe acoustic behavior of rooms at different frequencies. ... frequencies, shift their distribution and make their calculation a lot more difficult.
     25  +3 2014 apr 09stereo speaker placementThe acoustic performance of a stereo sound system can vary significantly depending upon the loudspeakers used, upon their setup in the listening room and ...
     25  -12 2014 mar 27pc audio high-enddCS Guide To Computer Audio v1.10 - Linkwitz LabContents. Overview – the Principles of Computer Audio . ..... Macs and PCs are now a viable alternative to high end stand-alone CD transports ...
     26  -3 2014 may 07pictures of plutoPLUTO photos - Linkwitz LabTry to make contact with a willing person via the ORION/PLUTO/LX521 Forum. Send me your photos of PLUTO to show others how you adapted it to locally ...
     26  -12 2014 may 02digital photography processingDigital Photo Processes - Linkwitz LabIn these web pages I will show what I investigated and learned about noise and artifacts in digital photo processing . I pursued this specifically ...
     26  -1 2014 mar 28metal amplifier chassisLet's Build an Amplifier At ATI, steel is ordered for the chassis and allow the strongest chassis ), send the metal out to be powder coated and then ... screening. PCB's, which have already been designed by legendary amplifier .
     27  +15 2014 apr 15hypex filter designerLinkwitz-Links - Linkwitz LabFiltering and crossover tasks were handled by 6 x Hypex DLCP units .... about his power amplifier designs and the undeserved reputation of ...
     28  +38 2014 may 13very low frequency subwoofersWoofer measurements - Linkwitz LabThe subwoofer frequency response is measured with the microphone very ... have developed preferences for certain types of low frequency distortion it is my ...
     29  -2 2014 jul 02dvd production sfSF Symphony - Linkwitz LabSince 2004, San Francisco Symphony Media has produced various PBS, DVD , and BD releases including the Keeping Score series which combined both ...
     30  -3 2014 jun 03plutoThe design of the PLUTO loudspeaker brings together several concepts and ideas about a small size loudspeaker that had been on my mind for some time.
     31  ~ 2014 may 15best room speakers audioWATSON - Stereo Enhancement Loudspeakers as a merging of room
     32  +3 2014 may 30stereo effect active speakerLinkwitz-Publications - Linkwitz Lab35 - My Search for the Ideal Stereo Loudspeaker .... 12 - Siegfried Linkwitz, A Three-Enclosure Loudspeaker System with Active Delay and Crossover, Parts 1, 2, ... Effects of the baffle shape upon the radiation pattern have been investigated.
     34  -1 2014 may 293 inch baffleDiffraction from baffle edges - Linkwitz LabThus, the portion of a sound pressure step that travels along the baffle surface ... For a 3 inch circular baffle with a point source at its center there should be a 4.5 ...
     34  +5 2014 apr 21db audio talkaudioI - AES Convention, Rocky Mountain Audio Fest, Burning Amp Festival, October 2008
     35  -16 2014 may 19subwoofer enclosure designSubwoofer design - Linkwitz LabSubwoofer design . 1 - Box construction. My goal is to keep the box size as small as possible. The estimates show that a box with about 50 liter internal volume ...
     35  +6 2014 apr 14frequency response headphonesIt is difficult to find earphones that can serve as a reference transducer for ... They have a targeted in-situ low frequency response , which is maintained in the ...
     35  +9 2014 apr 12hear control room audioI am convinced that a properly designed sound system can perform well in a
     36  -8 2014 may 02pink noise cdToneburst Test Signal CD - Linkwitz Lab200Hz low-passed pink noise , 2:07 3. 200Hz to 100Hz, 3 bursts of 4x 20-cycles, large steps, 0:55 4. 100Hz to 50Hz, 3 bursts of 4x 10-cycles, large steps, 0:54 5.
     37  +27 2014 apr 18speaker box plansThis year the outstanding leader in the conventional box speaker category was the $40,000 TAD Model-1. A superbly executed design under the leadership of ...
     39  +43 2014 mar 25xo active crossoverA buffer as the first stage of an active crossover /equalizer provides the necessary low source impedance to the ... (w- xo -lp2.gif, pmtm-eq1.gif, 38xo_eq.gif) Top  ...
     40  -13 2014 apr 30equalizer using qtSubwoofer equalization - Linkwitz LabTherefore, equalization can make the unit into a useful subwoofer.
     40  -21 2014 apr 10website on cdWebsite CD - Linkwitz LabThe Website CD -ROM can be purchased for $150, shipping included for US and overseas. You will have a permanent record that spans the ...
     40  ~ 2014 apr 02diy speakers in canadaPLUTO · Do-It-Yourself ... The speakers disappear and what remains is the panorama of sound and the .... In Canada , Calgary, Alberta, contact Mike Singleton,
     41  ~ 2014 may 25opensource php quibidsWhat's new at LINKWITZ LABwith Pluto advertisement at 1 DSP challenge - Digital Crossover/EQ with Open-Source  ...
     41  -15 2014 may 07best design speakerThe fundamental problems of box re-radiation and non-uniform power response in a room are at best only partially solved by these conventional designs .
     42  -29 2014 jun 25audio amp kit 2 way active crossoverThe electrical audio signal then needs to be divided between three drivers. The proper ... Active crossovers make much more effective use of amplifier power. A clipping ... H1 = [s / (s + 1)] + [1 / (s + 1)] = HP + LP ==> 2 - way .
     42  -18 2014 may 30stereophileStereophile interviews Siegfried Linkwitz - Linkwitz LabStereophile interviews Siegfried Linkwitz. By Shannon Dickson. Siegfried Linkwitz was born in Germany in 1935. He received his electrical engineering degree ...
     42  +7 2014 may 28the three rooms of mReverberation time as most important parameter for a room's acoustic behavior. ... N = (4 p / 3 ) V (f m /c) 3 + (p / 4) S (f m /c)2 + (1 / 8) Le (f m /c) (6). where
     42  +4 2014 may 08desain box subwooferSubwoofer design. 1 - Box construction. My goal is to keep the box size as small as possible. The estimates show that a box with about 50 liter internal volume ...
     42  -13 2014 may 05seas loudspeaker drive unitsMost significantly the woofer/midrange driver was replaced by a special Seas unit to obtain lower non-linear distortion and increased bass output. This became ...
     42  -31 2014 apr 09pichure of cdSound Picture CD - Linkwitz LabHere is my collection of sound pictures which I took from a variety of familiar real life events. ... The tracks on this CD are examples of the material that I use.
     43  -10 2014 jun 15qts thd earphone terminologyFAQ - Linkwitz LabQ34 - What is the optimum Qts for the drivers of a dipole woofer? .... 12" box woofers and at 120 Hz equivalent to four in terms of maximum SPL.
     45  +3 2014 may 22subwooferDesign of a sealed box subwoofer with electronic equalization.
     45  -28 2014 apr 18driver power amplifierPower amplifier limited SPL for a dipole woofer - Linkwitz LabPower amplifier limited SPL of a dipole woofer. Given two different 10" drivers , and power amplifiers of 60 W and 180 W capability into 8 ohm, what on-axis, ...
     45  -5 2014 apr 03diy speakers canada
     46  +4 2014 jun 10er 4sRecently, on the urging of two trusted friends, I acquired a pair of ear canal phones, the model ER - 4S from Etymotic Research. Lyman Miller uses them for ...
     46  -17 2014 apr 22low pass crossover2 - 12 dB/oct Linkwitz-Riley crossover 3 - 24 dB/oct Linkwitz-Riley crossover 4 - Delay correction 5 - Shelving lowpass & passive circuit
     46  ~ 2014 apr 17san francscip symphonySince 2004, San Francisco Symphony Media has produced various PBS, DVD, and BD releases including the Keeping Score series which combined both ...
     46  +8 2014 apr 07rear surround speakersSurround loudspeaker - Linkwitz LabThe sound level demands for side and rear speakers in a music surround system with ambience ... It is therefore possible to use physically small speakers .
     48  +7 2014 jun 13r type final2Room Reflections Misunderstood? - Linkwitz Labis the type of illusion that a 24channel stereophonic setup is asked to create in .... rear wall reflection R can be delayed and reduced in magnitude by moving the ...
     48  +43 2014 apr 04san francisco sympany
     49  ~ 2014 apr 28speaker shelves for dummies6 - Shelving highpass & passive circuit 7 - Notch filter .... It can also serve to equalize the low frequency roll-off from an open baffle speaker .
     49  ~ 2014 apr 23video only san franciscoSince 2004, San Francisco Symphony Media has produced various PBS, DVD, and ... Compared to the audio- only recording layout, the audio-for- video capture  ...
     50  -12 2014 apr 08crossover low costThe only excuse for passive crossovers is their low cost . Their behavior changes with the signal level dependent dynamics of the drivers. They block the power ...
     50  +7 2014 mar 29top surround sound speakersNone of the four surround speakers are localized as separate sound sources, even ... Unless the loudspeakers and the whole signal chain are of the highest  ...
     51  -6 2014 jul 01san francisco symphony
     51  +23 2014 jun 16postcards from yo musikMusic and sounds - Linkwitz LabExamples of well recorded music on CD. ... It is also the only radio station I have heard where you can hear a stuck needle." I will stop here with additions. ... Postcards , Turtle Creek Chorale, Reference Recordings RR-61CD; Ein Straussfest ...
     51  +5 2014 apr 17eq test kostenlosAlto R&D laboratory for the development of RF and Microwave test equipment. ... C) gives convenient component values for room EQ below 100 Hz. (room EQ , ...
     52  -31 2014 jul 01variable low-pass filters5 - Shelving lowpass & passive circuit 6 - Shelving
     52  +49 2014 apr 20surround system testSystem Test | Design Models | Prototypes | Active Filters | Surround | FAQ | ... side and rear speakers in a music surround system with ambience ...
     53  +2 2014 jun 16seas full range speakerPLUTO evolved to the 2-way full - range loudspeaker that it is today when SEAS supplied me with a custom woofer/midrange driver. The loudspeaker is now ...
     54  -6 2014 jun 20symphony video converterSince 2004, San Francisco Symphony Media has produced various PBS, DVD, and BD
     54  +38 2014 may 28signal testCD with test signals for loudspeaker and room resonance evaluation at low frequencies, reflections and speaker response.
     54  -5 2014 may 12surround sound musicSurround sound - Linkwitz Lab" Music Logic" is my default mode for the Lexicon DC2. It can be enjoyable to listen to DVD-V surround sound on this system, if the sound effects in the side and ...
     55  -3 2014 may 20open baffle full rangeConclusions - Linkwitz LabOpen baffle speakers are inefficient in terms of the mechanical movement that is ... If dipole behavior covers the full frequency range , then the room response ...
     56  +22 2014 jun 01etymotic er 4s
     56  ~ 2014 may 11sound systems for homesThe surround speakers face upward to generate a diffuse sound field in order to prevent sharp imaging of side and rear sounds . This is not a system for home  ...
     56  -36 2014 apr 05room acoustics softwareThe acoustic behavior of rooms at different frequencies. The loudspeaker's polar radiation pattern determines its interaction with the room and the accuracy of ...
     57  +27 2014 may 15best reference headphonesIt is difficult to find earphones that can serve as a reference transducer for ..... wear, yet their seal is good enough and repeatable for excellent bass reproduction.
     57  +10 2014 apr 26bandpass filter speaker boxThe sum of acoustic lowpass and highpass outputs must have allpass behavior ... Crossover filters for a speaker usually incorporate frequency ...
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